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EnglishExtreme-mass-ratio inspirals (EMRIs) detectable by the future Laser Interferometer Space Antenna provide a unique way to test general relativity and fundamental physics. Motivated by this possibility, here we study in detail the EMRI dynamics in the presence of a spinning secondary, collecting and extending various results that appeared in previous work and also providing useful intermediate steps and new relations for the first time. We present the results of a frequency-domain code that computes gravitational-wave fluxes and the adiabatic orbital evolution for the case of circular, equatorial orbits with (anti)aligned spins. The spin of the secondary starts to affect the gravitational-wave phase at the first post-adiabatic order (as does the first-order conservative self-force) and introduces a detectable dephasing, which can be used to measure it at the 5-25% level, depending on individual spins. In a companion paper we discuss the implication of this effect for tests of the Kerr bound.
Extreme mass ratio inspirals with spinning secondary: A detailed study of equatorial circular motion / Piovano, G. A.; Maselli, A.; Pani, P.. - In: PHYSICAL REVIEW D. - ISSN 2470-0010. - 102:2(2020). [10.1103/PhysRevD.102.024041]
| Titolo: | Extreme mass ratio inspirals with spinning secondary: A detailed study of equatorial circular motion | |
| Autori: | ||
| Data di pubblicazione: | 2020 | |
| Rivista: | ||
| Citazione: | Extreme mass ratio inspirals with spinning secondary: A detailed study of equatorial circular motion / Piovano, G. A.; Maselli, A.; Pani, P.. - In: PHYSICAL REVIEW D. - ISSN 2470-0010. - 102:2(2020). [10.1103/PhysRevD.102.024041] | |
| Handle: | http://hdl.handle.net/11573/1456294 | |
| Appartiene alla tipologia: | 01a Articolo in rivista |
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http://hdl.handle.net/11573/1456294
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